import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:star_author/widgets/empty_view/h_empty_view.dart';
import 'package:pull_to_refresh_notification/pull_to_refresh_notification.dart';

Widget buildState(PullToRefreshScrollNotificationInfo? info) {
  final double offset = info?.dragOffset ?? 0.0;
  String text = '';
  Widget icon = Container();
  if (info?.mode == RefreshIndicatorMode.armed) {
    icon = Icon(Icons.refresh, color: Colors.grey);
    text = '松手刷新';
  } else if (info?.mode == RefreshIndicatorMode.refresh ||
      info?.mode == RefreshIndicatorMode.snap) {
    icon = CupertinoActivityIndicator();
    text = '加载中...';
  } else if (info?.mode == RefreshIndicatorMode.done) {
    text = '刷新成功';
  } else if (info?.mode == RefreshIndicatorMode.drag ||
      info?.mode == RefreshIndicatorMode.canceled) {
    icon = Icon(Icons.arrow_downward, color: Colors.grey);
    text = '下拉刷新';
  }
  return Container(
    height: offset,
    alignment: Alignment.center,
    child: Row(
      mainAxisAlignment: MainAxisAlignment.center,
      children: [
        icon,
        HEmptyView(10.w),
        Text(
          text,
          style: TextStyle(
            fontSize: 14.sp,
            color: Colors.grey,
          ),
        ),
      ],
    ),
  );
}
